Customize appearance of embedded notebook

[jburgy]

Disclaimer: this question bears some similar to #1652 except with a much simpler end goal.

I managed to embed a notebook in a static web page. Because the embedded notebook is meant to be illustrative, I would like to hide the menu and tool bar. I tried some of URL search params on this page but none seem to work. That's presumably because packages/application-extension/src/index.tsx applies to the /notebooks case and not packages/repl-extension/src/index.ts

Should I be using jupyter-iframe-commands extension to achieve this? That seems slightly over-the-top